Arcadia Viaduct
Tee beam bridge over MO 21 and the Union Pacific Railroad at Arcadia
Open to traffic
Built 1930

Big Creek MO 49 Bridge
Through truss bridge over Big Creek on MO 49 south of Annapolis
Open to two-lane traffic
Built 1924

Carver Creek Bridge
Pony truss bridge over Carver Creek on MO 21/49/72 east of Lesterville
Open to two-lane traffic
Built 1932

Chloride Bridge
Pony truss bridge over Big Creek just off MO 49 on Little Creek Road near Chloride
Open to one-lane traffic
Built ca. 1930

Frank Adams Road Bridge
Lost pony truss bridge over Stouts Creek on Frank Adams Road west of Ironton
Replaced by modern bridge
Built ca. 1930

Gum Spring Old MO 21 Bridge
Arch bridge over Gum Spring Creek on CR 20 (Old MO 21)
Open to traffic
Built 1922; made obsolete by a new alignment of MO 21

Ironton Bridge
Tee beam bridge over Stouts Creek on Old MO 21 between Ironton and Arcadia
Open to traffic
Built 1926

Reid Creek Bridge
Bridge over Reid Creek on Mo Route 21
Open to traffic
Built 1925

Sabula Bridge
Two-span open-spandrel arch bridge over Big Creek on MO 49 north of Sabula
Open to traffic
Built 1922; rehabilitated 1945

Stouts Creek Arch Bridge
Open-spandrel arch bridge over Stouts Creek on MO 72 above Lake Killarney
Open to traffic
Built 1928

Townsend Branch Old MO 21 Bridge
Arch bridge over Townsend Branch on CR 20 (Old MO 21)
Open to traffic
Built 1922; made obsolete by a new alignment of MO 21

Vulcan MO 49 Bridge
Pony truss on MO 49 over Vulcan Creek at the intersection with Route BB at Vulcan
Open to two-lane traffic
Built 1924

Vulcan Railroad Bridge
Concrete railroad viaduct over Route BB at Vulcan just off MO 49
Open to railroad traffic above and two-lane road traffic below
Built ca. 1946 by Missouri Pacific as part of a "grade and line revision project" to accomodate higher speed trains between St. Louis and Texas